Measurement of the beta-nu Correlation using Magneto-optically Trapped Na-21 - INSPIRE

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Measurement of the beta-nu Correlation using Magneto-optically Trapped Na-21

Sep 3, 2004

4 pages

Published in:

Phys.Rev.Lett. 93 (2004) 102501

DOI:

10.1103/PhysRevLett.93.102501

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Abstract: (APS)

The beta-neutrino correlation coefficient, aβν, in Na21 is inferred from detecting the β+ and low-energy recoil daughter nucleus. Na21 is produced at the 88-Inch Cyclotron at Lawrence Berkeley National Laboratory and 800 000 atoms are maintained in a magneto-optical trap. From the measured time of flight of recoil ions in the presence of a drift electric field, we find aβν=0.5243±0.0091. There may be a dependence on the trapped atom population. This and other systematic uncertainties are discussed.

27.30.+t
24.80.+y
23.40.Bw
23.20.En

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